1. All insurance policies are cryptically written documents. Therefore, some cryptically written documents are insurance policies.

2. No gemstones that do not contain chromium are emeralds. Therefore, some stones that are not emeralds are not gemstones that contain chromium.

3. It is false that some Ficus benjaminas are untemperamental house plants. Therefore, all Ficus benjaminas are temperamental house plants.

4. All exogenous morphines are addictive substances. Therefore, it is false that all addictive substances are endogenous morphines.

5. No people who do not advocate free-enterprise economics are fundamentalist Christians. Therefore, it is false that some fundamentalist Christians are not people who advocate free-enterprise economics.

6. It is false that some Gothic cathedrals are buildings that do not feature pointed arches. Therefore, some buildings that feature pointed arches are Gothic cathedrals.

7. Some people who recognize paranormal events are not nonscientists. Therefore, it is false that no scientists are people who recognize paranormal events.

8. It is false that no unhealthy things to ingest are food additives. Therefore, some food additives are not healthy things to ingest.

9. It is false that some illegal searches are not sobriety checkpoints. Therefore, some sobriety checkpoints are not legal searches.

10. It is false that some feminists are not advocates of equal pay for equal work. Therefore, it is false that all advocates of equal pay for equal work are non-feminists.

Use the traditional square of opposition together with conversion, obversion, and contraposition to prove that the following immediate inferences are valid. Show each intermediate step in the deduction.